faaacts,okay lets see
1) KA breaks edo(facts),it controls an individual without the person's knowledge(fact),kabuto is not immune to genjutsus that dosent requore eyesight(fact:izanami)KA can be used without eyesight(fact,danzo used it on mifune with his bandages),so it will affecy kabuto(derived fact),
2) danzo uses it on kabuto,kabuto teleases edo without knowing it,dsm kabuto now faces 5 kages together,you think he wins?
3) fanzo frees nagato using KA,edo nagato 5 kages vs edo itachi and kabuto,you think he wins?